G4Free Eco-Friendly Mountain Road Bike Cycling Helmet with Visor,Unisex Adult Helmet Cool Bicycle Helmet with Storage Bag Come with Visor;Suitable for head circumference:about 22.83 - 24 inches (58-61cm);Included sack for storage IMPORTED MATERIALS : Housing with high quality 0.8mm PC Matt Printing, Casing with 85 EPS (High-Density foaming ) Ultra-Light Weight: 9.5 OZ, super light weight equivalent to regular leisure cap; Wind tunnel, rugged and will help in a crash Very comfortable:27 mega cool vents pull fresh air in and expel stale and warm air out, keeping your head cool at all time, no smell ,Super wear resistant Stylish :Streamlined design, anti-windage, soft washable pads,great anti-shock ability, provides good protection while riding or doing other outdoor sports